Fix buildx error when image contains attestation manifest (#623)

Co-authored-by: Marcel Ribeiro-Dantas <[email protected]>

Author: mribeirodantas

.github/workflows/docker-devcontainer.yml

@@ -55,6 +55,8 @@ jobs:
 
       - name: Pre-build dev container image
         uses: devcontainers/[email protected]
+        env:
+          BUILDX_NO_DEFAULT_ATTESTATIONS: true
         with:
           configFile: .devcontainer/codespaces-dev/devcontainer.json
           imageName: ghcr.io/${{ github.repository }}